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vovikov84 [41]
3 years ago
12

12 is 30% of what number?

Mathematics
1 answer:
Sladkaya [172]3 years ago
4 0

Answer is provided in the image attached.

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A railway car is shaped like a rectangular prism with a length of 18 meters, a width of 3 meters, and a height of 4 meters.
nekit [7.7K]

Answer:

216 cubic meters

Step-by-step explanation:

4 0
2 years ago
Consider equation of circle x2-2x+y2-4y-4=0,if line 2x-y+a=0 is its diameter then find value of a
g100num [7]

Answer:

Step-by-step explanation:

x² - 2x + y² - 4y - 4 = 0

x² - 2x + y² - 4y = 4

complete the squares

(x² - 2x + x₀) + (y² - 4y + y₀) = 4

the unknown number will be the square of half of the x¹ coefficient

(x² - 2x + 1) + (y² - 4y + 4) = 4 + 1 + 4

(x - 1)² + (y - 2)² = 9

This tells us that the circle is centered on (1, 2)

Which is also a point on the diameter

2x - y + a = 0

a = y - 2x

a = 2 - 2(1)

a = 0

4 0
3 years ago
A company that manufactuers small canoes has a fixed cost of $14,000. It cost $40 to produce each canoe. The selling price is $8
vesna_86 [32]

Answer:

The company manufactures about 350 canoes, obtaining $ 28,000 after selling them all.

Step-by-step explanation:

Given that a company that manufactures small canoes has a fixed cost of $ 14,000, and it cost $ 40 to produce each canoe while the selling price is $ 80 per canoe, to determine the number of canoes that the company produces and the amount of money it makes after selling them, the following calculation must be carried out:

14/000 / 40 = X

350 = X

350 x 80 = 28,000

Thus, the company manufactures about 350 canoes, obtaining $ 28,000 after selling them all.

3 0
3 years ago
Which of the following consists of equivalent fractions
NeTakaya
The first one is the only one that shows equivalent fractions

If correct brainliest please

Thank you and Your welcome

:)
3 0
3 years ago
Read 2 more answers
A DJ has a total of 1075 dance, rock, and country songs on her system. The dance selection is three times the size of the rock s
adoni [48]
D+R+C=1075\\D=3R\\C=R+105\\\\(3R)+R+(R+105)=1075\\5R=970\\R=194\\\\D=3(194)=\\D=582\\\\C=(196)+105=\\C=301

582 dance songs.
194 rock songs.
301 country songs.
5 0
3 years ago
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